This document discusses the signal flow through audio consoles. It explains that understanding this signal flow is critical for sound engineers to troubleshoot problems. It then describes the basic signal path through analog consoles from the microphone or line input, through the channel strip including inputs, equalization, pans, and faders, to the master output. It also discusses digital consoles and how their signal flow is similar but routing is controlled digitally rather than with individual channel controls.
Presentation that discuss ,what's sound? how microphones works , microphones types ,it's block diagram and the dorectional pattern of each microphone and how sound recording works also a matlab example code for sound recording analysis and how the signal looks like in a plot
Presentation that discuss ,what's sound? how microphones works , microphones types ,it's block diagram and the dorectional pattern of each microphone and how sound recording works also a matlab example code for sound recording analysis and how the signal looks like in a plot
A basic sound system consists of an input device (microphone), a control device (mixer), an amplification device (power amplifier), and an output device (loudspeaker).
The primary goal of the sound system in sound applications is to deliver clear, intelligible speech, and, usually, high-quality musical sound.
Introduction to microphones. Types of microphones i.e. Moving Coil/Dynamic Microphone, Capacitor Microphone,Ribbon Microphone, Crystal Microphone, Carbon Microphone. It also shows the distribution of microphones on basis of directivity.
Microphone is a type of acoustic transducer or sensor.
A microphone, is an acoustic-to-electrical transducer or sensor that converts sound in air into an electrical signal.
Learn how microphones should be placed and which microphones should be use for different purposes.
Key words :-
- What is microphone
- Selection of Microphones
- Types of microphones
- PICK UP PATTERNS MICROPHONE
- Placement of Microphone
- Summary
Microphones-Type, Characteristics, design, Applications, techniques, PatternsSankaranarayanan K B
Microphones are used in many applications such as telephones, hearing aids, public address systems for concert halls and public events, motion picture production, live and recorded audio engineering, sound recordings etc. Its one of the most important part in the audio chain. The different types of microphones are used for different applications. Lets us see one by one…..
A basic sound system consists of an input device (microphone), a control device (mixer), an amplification device (power amplifier), and an output device (loudspeaker).
The primary goal of the sound system in sound applications is to deliver clear, intelligible speech, and, usually, high-quality musical sound.
Introduction to microphones. Types of microphones i.e. Moving Coil/Dynamic Microphone, Capacitor Microphone,Ribbon Microphone, Crystal Microphone, Carbon Microphone. It also shows the distribution of microphones on basis of directivity.
Microphone is a type of acoustic transducer or sensor.
A microphone, is an acoustic-to-electrical transducer or sensor that converts sound in air into an electrical signal.
Learn how microphones should be placed and which microphones should be use for different purposes.
Key words :-
- What is microphone
- Selection of Microphones
- Types of microphones
- PICK UP PATTERNS MICROPHONE
- Placement of Microphone
- Summary
Microphones-Type, Characteristics, design, Applications, techniques, PatternsSankaranarayanan K B
Microphones are used in many applications such as telephones, hearing aids, public address systems for concert halls and public events, motion picture production, live and recorded audio engineering, sound recordings etc. Its one of the most important part in the audio chain. The different types of microphones are used for different applications. Lets us see one by one…..
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In this talk we will present everything you have ever wanted to know about some major game consoles architecture and their security features. In order to achieve this, we will detail both hardware and software architectures of - somehow - old and modern gaming consoles: PS1, Xbox, Xbox360 and PS3. Based on this, we will explain the reasons why some attacks have failed and why some others have succeeded.
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3. Why…??
Knowing the audio path through a mixing
console is absolutely critical to a sound
engineer’s success.
Using this information, the engineer can quickly
TROUBLESHOOT the likely causes of common
problems, and can even narrow down the
possibilities of unexpected major problems.
8. Mixer vs. Console
The terms mixer, mixing console, console,
board, and desk are often used
interchangeably.
All are used for combining and re-routing
audio signals from a set of inputs to a set of
outputs, usually with some added signal
processing, and level adjustment.
9. Mixer vs. Console
Console is an abbreviation for mixing console.
Mixer generally refers to a small unit, either rack mountable
or with fewer than 10 to 12 input channels.
The differences between them are that a mixer is small,
quite portable, and performs limited processing functions.
The console is larger, substantially so in many models, more
complex, and perform numerous processing functions.
13. Analog Consoles
The basic path of an audio signal is as follows:
•mic or line input to mixing bus to master level control to
output.
Mic or
Line
Input
Mixing
Bus /
Channel
Strip
Master
Level
Control
Output
16. The Channel Strip Sections
Inputs
Inserts
Auxiliary/Effects Sends
Equalizations
Pan pots
Channel Assignments
Channel Faders
17. Inputs Section
Microphone-line input selector
•controls which signal source enters the input section.
Phantom power
•Just ahead of the microphone preamplifier is the phantom power supply ( 48 volts
DC).
•When activated it provides voltage for condenser mics, thus eliminating the need for
batteries.
Trim/Gain Knob
•The trim is a gain control that controls the nominal input levels of various input sources.
Pad
•reduces the power of a signal. It is used when the trim, by itself, cannot prevent
overload in the mic signal.
19. Inserts Section
High-end production
consoles usually include a
inserts/dynamics section
after each I/0 module for
added signal processing.
It often includes
compression, limiting, and
noise gating.
20. Auxiliary Sends Section
The aux (auxiliary) send
control (also called
effects [EFX or FX} send,
reverb send, or echo
send) feeds the input
signal to an external
(outboard) signal
processor, such as a
reverberation unit,
compressor, or
harmonizer.
21. Equalizations section
An equalizer is an electronic
device that alters a signal's
frequency response by
boosting or attenuating the
level of selected portions of
the audio spectrum.
Most production consoles
have separate equalizer
controls for selected
frequencies grouped in the
lo, middle, and high ranges.
22. Pan Pots Section
pan pot (short for panoramic potentiometer) is a
control that can shift the proportion sound to any
point from left to right between two output buses
and, hence, between the two loudspeakers
necessary for reproducing a stereo image.
23. Channel Assignment / Buss
Sections
This is a group of
switches on each
channel strip used to
direct the signal from
that channel to one or
more outputs; or
several input signals
can be combined and
sent to one output.
24. Solo & Mute Switches
Solo
• This is a group of
switches on each I/O
channel used to direct
the signal from that
channel to one or more
outputs; or several input
signals can be
combined and sent to
one output.
Mute
• The mute function, also
called channel on/off,
turns off the signals from
the I/O channel.
25. Channel Faders
The channel and
monitor faders control
the channel level of the
signal being recorded
and its monitor level,
respectively.
During recording
channel levels to the
multitrack recorder are
set for optimal signalto-
noise ratio.
26. Other Sections
• master buses, master fader, aux (or
effects) send, aux (or effects) return,
and meters.
Master section
includes:
• Speakers volume, recorder select,
send, mix, loudspeaker select, and
mono switches.
Monitor section
includes:
• talkback, slate/talkback, and
oscillator.
Communications
section includes:
29. Digital Consoles
Digital consoles use the assignable concept in
three configurations:
• in an analog console that is digitally
controlled
• in an all-digital console
• in a virtual console which is not a console per
se, but an integrated system that combines a
harddisk computer and specialized software
to record and process audio direct to disk.
30. Digital Consoles
With digital consoles, instead of
individual controls for channel-to-
track routing on each channel
strip, these functions have been
centralized into single sets so they
can be assigned to any channel.
34. References
Alten, Stanley R.. Audio in media. 6th
ed. Belmont, Calif.: Wadsworth Pub.
Co., 2002. Print.
Davis, Gary D., and Ralph Jones. The
sound reinforcement handbook. 2nd
ed. Milwaukee: Hal Leonard, 1989. Print.